Residential Service: RS-1
Black Hills/Colorado Elec.Utility Co. LP · Time-of-use + tiered · filed 2020
What this tariff charges
| Fixed charge | $9.08 per month |
|---|---|
| Structure | Time-of-use + tiered |
| Filed | 2020-04-01 |
Energy rates
The charged price is the base rate plus its adjustment. Adjustments carry fuel and rider costs and are frequently most of the bill, so a comparison built on the base rate alone is meaningless.
Period 0
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 500.0 kWh | 0.09999 | 0.04769 | 0.14768 |
| 2 | no limit | 0.13004 | 0.05107 | 0.18111 |
Period 1
| Tier | Up to | Base | Adjustment | Charged $/kWh |
|---|---|---|---|---|
| 1 | 500.0 kWh | 0.09999 | 0.04769 | 0.14768 |
| 2 | no limit | 0.13004 | 0.05107 | 0.18111 |
What it costs at different usage levels
| kWh per month | Annual total | Effective $/kWh |
|---|---|---|
| 500 | $995.03 | $0.1658 |
| 1000 | $2,081.72 | $0.1735 |
| 2000 | $4,255.10 | $0.1773 |
Effective rate includes the fixed charge, which is why it falls as usage rises. This is a time-of-use tariff, so the result also depends on when power is used; an average residential pattern is assumed. Details →
Rooftop solar on this tariff
A 7 kW system costing $21,000 before incentives would save between $946 and $1,846 a year on this tariff, paying back in 11–22 years . No federal tax credit is included: Section 25D ended on December 31, 2025.
no sell rate filed, but this utility reports residential net metering - the range spans no export credit to full retail netting. Compare across this state →
The utility's own description
Available for electric service through one meter for single-family domestic use. No resale or auxiliary service permitted.
URDB rate id 5ed7b5cf5457a3a905dd15ad · utility source document · all Black Hills/Colorado Elec.Utility Co. LP tariffs